package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @author LYJ
 * @Description
 * @date 2021 年 01 月 05 日 18:53
 */
//@RestControllerAdvice
@Slf4j
public class GulimallExceptionControllerAdvance {

    @ExceptionHandler(MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
        log.error("数据校验出现异常{},异常类型{}", e.getMessage(),e.getClass());
//        System.out.println(e.printStackTrace());
        e.printStackTrace();
        BindingResult bindingResult = e.getBindingResult();
        Map<String,String> map = new HashMap<>();
        bindingResult.getFieldErrors().forEach((item) -> {
            String field = item.getField();
            String defaultMessage = item.getDefaultMessage();
            map.put(field,defaultMessage);
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(),BizCodeEnum.VALID_EXCEPTION.getMessage()).put("data",map);
    }

    @ExceptionHandler(Throwable.class)
    public R handleException(Throwable e){
        log.error("系统出现异常{},异常类型{}",e.getMessage(),e.getClass());
        return R.error(BizCodeEnum.UNKNOWN_EXCEPTION.getCode(),BizCodeEnum.UNKNOWN_EXCEPTION.getMessage());
    }
}
